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單項選擇題

Which packet is sent in response to a BGP Open packet?（）

A. hello
B. keepalive
C. BGP open
D. notification

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單項選擇題

Once the TCP connection is established, which message type initiates the BGP peering process?（）

A. Open
B. Active
C. Update
D. Notification

單項選擇題

Which message is used to transport routing information between BGP peers?（）

A. Open
B. Active
C. Update
D. Keepalive